Supplementary online material to V. Bourret et al.'s « Whole-genome

Supplementary online material to V. Bourret et al.'s. « Whole-genome, deep ... HAIR: AGTAGAAACAAGGGTGTTTTTC. 57 °C. 2 min. HA. (Ad virus).
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Supplementary online material to V. Bourret et al.’s « Whole-genome, deep pyrosequencing analysis of a duck influenza A virus evolution in swine cells »

Segment PCR primers

Annealing temperature

Extension time

PB2

PB2F: AGCGAAAGCAGGTCAAATA PB2R: AGTAGAAACAAGGTCGTTTTTAAAC

Touchdown from 67 ºC to 55 ºC

2.5 min

PB1

PB1F: AGCGAAAGCAGGCAAAC PB1R: AGTAGAAACAAGGCATTTTTTCA

Touchdown from 67 ºC to 55 ºC

2.5 min

PA

PAF: AGCGAAAGCAGGTACTGAT PAR: AGTAGAAACAAGGTACTTTTTTGGA

Touchdown from 67 ºC to 55 ºC

2.5 min

HA (Wt virus, all subtypes)

BsaIseg4F: CACACACAGGTCTCAGGGGAGCAAAAGCAGGGGAAAA BsaIseg4R: CACACACAGGTCTCATATTAGTAGAAACAAGGGTGTTTTTCC

68 °C

2 min

57 °C

2 min

HA (Wt HAIF: AGCAAAAGCAGGGGAA virus, H1 HAIR: AGTAGAAACAAGGGTGTTTTTC only) HA (Ad virus)

HAF: AGCAAAAGCAGGGGAAAA HAR: AGTAGAAACAAGGGTGTTTTTCC

59 °C

2 min

NP

NPF: AGCAAAAGCAGGGTAGATAATC NPR: AGTAGAAACAAGGGTATTTTTCTTTA

54 ºC

2 min

NA

NAF: AGCAAAAGCAGGAGTTTA NAR: AGTAGAAACAAGGAGTTTTTT

52 °C

1.5 min

M

MF: AGCAAAAGCAGGTAGATATTGAA MR: AGTAGAAACAAGGTAGTTTTTTACTCCA

56 ºC

1.5 min

NS

NSF: AGCAAAAGCAGGGTGACA NSR: AGTAGAAACAAGGGTGTTTTTTATCA

57 ºC

1 min

Table S1. PCR conditions specific for each segment. See main text for remaining PCR conditions (identical across segments) and details about the different HA primers used. Non subtype-specific HA primers bear restriction sites at their 5' end for use in cloning. We needed subtype-specific PCR primers for segment 4 only as the H1 and H11 alleles each comprised nearly 50% of the population and were so divergent that mixed chromatograms were unreadable. In the case of other segments, the different alleles would be much less divergent, resulting in easily readable mixed chromatograms (see for instance figure 1).

Segment

Internal primers PB21: AGGAATGGACCAACGACAAG PB22b: TAGCACTGAGGTCTGCATGG*

PB2

PB23: GGGGAGGTGAGAAATGATGA PB24: ATGCACCAACTCCTGAGACAC PB25: TTGAGCCTTTCCAATCCTTG PB26: CAGTCAGACAGCGACCAAAA PB11: GCCATGGAACAGGAACAGGAT PB12: GCTTGGCTCGTTATCCTCAG* PB13: CCAATGAATCGGGGAGACTA

PB1

PB14: CGTTGGAGGGAATGAGAAGA PB15: GGGCAAAAGAGGTACACCAA PB16: CCATTCAAAGGCAGGACTGT PB17: CCGTAAACAATGCTGTGGTG PA1: GCTGCGATATGCACACACTT PA2: CGGGGAGAAATTTAGGCTTC*

PA

PA3: TGGGATTCCTTTCGTCAGTC PA4: GAAGACATTTTTCGGCTGGA PA5: ACAGCGGAAGTATCCCATTG PA6: AGGCCGAGTCTTCTGTCAAA AHA1: CTCAGTTAATTTACTCGAAGACA

HA (H1 subtype)

AHA2: GGTAGGATGAATTATTATTGGAC AHA3: GCTGATCAGAAGAGCACACAAAATGC AHA4: TCTGGGTTACCAAGGAGCCA*

HA (H11 subtype)

H111: GCAAGTTCGAAGCATTCACA H112: GCTCTACCAAATGCCAAACA NP1: GGGGAAGGATCCGAAGAAAAC

NP

NP2: AGCAGTTGCGTCTTCTCCAT* NP3: TTCCAAACAGCAGCACAAAG NP4: AACCAGGAGTGGAGGAAACA NA1b: TGAGCAAGCTGTGGTTTCAG

NA

NA2b: ATCCCCTTTGGAACCAATTC* NA3b: GCAAGTGCTTGTCATGATGG NA4b: GTTGCGGTCCAGTGTCTTCT M1: CTTTGTCCAAAATGCCCTA

M

M2: CCAAAAGCCACTTCTGTGGT* M3: GTGCCGGTCTGAAAGATGAT NS1: CAGCACTCTTGGTCTGGACA

NS

NS2: CGGCACTGAAGCAATAGTCA* NS3: GTCCTCATCGGAGGACTTGA

Table S2. Internal primers used for the sequencing of full-length genomes of the parental A/mallard/Netherlands/10/99 stock and its NPTr-adapted descendent. *, anti-sense primer.